| Re: IMSL/IDL vs IDL (Which is the better) [message #334] |
Thu, 11 June 1992 08:08 |
lacu
Messages: 1
Registered: June 1992
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Junior Member |
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In article <1992Jun5.173013.7365@ll.mit.edu>, kevinmac@ll.mit.edu (Kevin McElearney) writes:
> IMSL/IDL vs IDL (Which is better?)
In response to your question about "IMSL/IDL and IDL, which is
better?," I'd like to note some differences.
1) IMSL/IDL seamlessly integrates 200+ mathematical functions
into IDL. IMSL users wanted a way to visualize their numerical
computations; There is much user contributed numerical code in
IDL, and with IMSL/IDL, IMSL reviewed and replaced them with
tested codes that were more numerically robust.
2) Users can purchase one copy, or as many as they like. There
is no minimum purchase requirement. Node-locked and floating
licenses are available; volume discounts and educational
discounts exist as well.
3) The cost is higher for IMSL/IDL, than for IDL. IMSL/IDL has
all of the functionality of IDL plus the numerical integration of
IMSL's C/Math/Library. IMSL has also recently announced the
integration of Maple, the symbolic computation package into
IMSL/IDL (release is first quarter 93). At that time, the
statistical capabilities of IMSL's C/Stat/Library will be
integrated as well.
IMSL and RSI (developers of IDL) have an agreement whereby
IMSL/IDL is updated with the most recent release of IDL, and of
IMSL's numerical functionality. IMSL and RSI have both made this
commitment to our users. There should never be an extended delay
between updates.
4) IMSL/IDL and IDL both share the same kernel, thus your .pro
files are compatible.
5) For both IDL and IMSL/IDL, you need to purchase support to get
updates. IMSL/IDL has a 90-day warranty; almost all users
purchase support, thus they have coverage for 15 months at the
outset.
I hope this differentiates them, and explains the philosphies.
Laurie Potratz
IMSL, Inc.
14141 Southwest Freeway, Suite 3000
Sugar Land, Texas 77478
(713) 279-1122
(713) 242-9799 (fax)
lpotratz@imsl.com
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